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Search: id:A036044
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| A036044 |
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BCR(n): write in binary, complement, reverse. |
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+0
9
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| 1, 0, 2, 0, 6, 2, 4, 0, 14, 6, 10, 2, 12, 4, 8, 0, 30, 14, 22, 6, 26, 10, 18, 2, 28, 12, 20, 4, 24, 8, 16, 0, 62, 30, 46, 14, 54, 22, 38, 6, 58, 26, 42, 10, 50, 18, 34, 2, 60, 28, 44, 12, 52, 20, 36, 4, 56, 24, 40, 8, 48, 16, 32, 0, 126, 62, 94, 30, 110, 46, 78, 14, 118, 54, 86
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..1023
R. K. Hoeflin, Mega Test
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FORMULA
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a(2n) = 2*A059894(n), a(2n+1) = a(2n) - 2^[log2(n)+1]. - Ralf Stephan (ralf(AT)ark.in-berlin.de), Aug 21 2003
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EXAMPLE
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E.g. 4 -> 100 -> 011 -> 110 -> 6.
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MATHEMATICA
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dtn[ L_ ] := Fold[ 2#1+#2&, 0, L ]; f[ n_ ] := dtn[ Reverse[ 1-IntegerDigits[ n, 2 ] ] ]; Table[ f[ n ], {n, 0, 100} ]
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CROSSREFS
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Cf. A035928, A030101, A056539.
Sequence in context: A095832 A143381 A140876 this_sequence A078991 A021833 A049257
Adjacent sequences: A036041 A036042 A036043 this_sequence A036045 A036046 A036047
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KEYWORD
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nonn,easy,base,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from Erich Friedman (erich.friedman(AT)stetson.edu).
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